body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
}

header {
    background-color: #4a90e2;
    color: white;
    padding: 1em;
    text-align: center;
}

.container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px;
}

.card {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    padding: 15px;
    flex: 1 1 300px;
}

.card h2 {
    margin-top: 0;
    font-size: 1.2em;
    border-bottom: 1px solid #ddd;
    padding-bottom: 0.5em;
}

textarea, input {
    width: 100%;
    box-sizing: border-box;
    margin-top: 5px;
    margin-bottom: 10px;
    padding: 8px;
    border-radius: 5px;
    border: 1px solid #ccc;
    font-family: inherit;
}

button {
    padding: 8px 16px;
    background-color: #4a90e2;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

ul {
    list-style: none;
    padding-left: 0;
}

li {
    background-color: #f2f2f2;
    margin-bottom: 5px;
    padding: 5px;
    border-radius: 5px;
}
